Question

refer to the attachment above ​

Answer 1

Step 1

Area of bigger circle = (22/7) x 14 x 14 = 616 cm^2

Step 2

Area of smaller circle = (22/7) x 7 x 7 = 154 cm^2

Step 3

Area of shaded region = Area of bigger circle - Area of smaller circle = 616 - 154 = 462 cm^2.